Actinomorphic (star-shaped) can be divided into 3 or more identical sectors, which are related to each other by rotation about the centre of the flower, e.g., China rose. Zygomorphic flowers can be divided by only a single plane into two mirror image halves, e.g., orchids. Valvate aestivation The sepals or petals in a whorl just touch one another at the margin, e.g., Calotropis. Twisted aestivation One margin of the appendage overlaps that of the next one, e.g., China rose. Imbricate aestivation the margins of sepals or petals overlap but not necessarily in specific direction, e.g., Cassia. For further detail refer to ans. 97
In China rose the flowers are
NEET UG 2013 — Botany Morphology of Flowering Plants
2013mcqeasy
In China rose the flowers are
Official previous-year question
Held on 30 Apr 2013 · Verified 9 Jul 2026.
Options
- A
actinomorphic, hypogynous with twisted aestivation
- B
actinomorphic, epigynous with valvate aestivation
- C
zygomorphic, hypogynous with imbricate aestivation
- D
zygomorphic, epigynous with twisted aestivation
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